@Michael Bronson Safemode can be OFF during the upgrade. However you might want to perform the pre-upgrade tasks mentioned here : https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.1.5/bk_ambari-upgrade/content/upgrading_HDP_prepare_to_upgrade.html ... View more

@Jorge Luis Hernandez Olmos, Ambari refers to another properties value called "NFSGateway maximum Java heap size" If you want to change the heap size, You'd need to update "NFSGateway maximum Java heap size". ... View more

@Pradeep KS All the HDP repos are available at https://github.com/hortonworks The repo naming convention is <service-name>-release , for example if you want to take a look at spark repo, the repo will be spark-release. All all the releases will be under tags. ex: https://github.com/hortonworks/spark-release/tree/HDP-2.6.4.0-91-tag ... View more

@Girish Mallula Instead of localhost, please use the hostname provided in listener. ./kafka-console-producer.sh --broker-list xxx.domain:6667 --topic girishtp ... View more

@Anurag Mishra Below package should be enough to only install the client libraries. spark_<version>_<build>.noarch :Lightning-FastClusterComputing ex: spark2_2_6_4_0_91-2.2.0.2.6.4.0-91.noarch P.S If you are installing the client manually make sure you copy configuration files /etc/spark2/conf/ from the node which is managed by ambari. This way configurations will be same across the cluster. ... View more